Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO 数据表
产品代码
ATSAMD20-XPRO
634
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
36.
Datasheet Revision History
Please note that the referring page numbers in this section are referred to this document. The referring revision in this
section are referring to the document revision.
section are referring to the document revision.
36.1
Rev. K – 05/2014
Description
z
Updated partially the Atmel SAM D20
Block Diagram
z
VREFP on DAC renamed VREFA
Memories
z
Updated
z
Changed the WDT window default value, WINDOW_1 to 0x5
DSU - Device
Service Unit
Service Unit
z
Updated
z
“Family” renamed “Product family” and subfamily became “Product series”
z
Updated the protection state of the device in
SYSCTRL - System
Controller
Controller
z
Updated
z
Updated the description of writing to FRANGE and CALIB
z
Updated
z
DFLL renamed DFLL48M
z
Added Note on how to enter standby mode in:
z
z
z
z
Added
z
Updated the description of Bit 6 – RUNSTDBY and Bit 13 – FORCELDO
z
Updated the description of
z
Updated
z
Bits 11:0 - CALIB has two calibration fields CALIB[11-6] and CALIB[5:0]
RTC - Real-Time
Counter
Counter
z
Updated
z
TOSC1 and TOSC2 renamed respectively XIN32 and XOUT32
PORT
z
Updated
z
The reference for Pin Configuration registers changed to PINCFGy
SERCOM SPI
z
Updated
z
Bit 17 - RXEN is R/W
TC - Timer/Counter
z
Updated
z
Updated
z
Bits 1:0 - INVENx: Waveform Output x Invert Enable
AC - Analog
Comparators
Comparators
z
DAC - Digital -to-
Analog Converter
Analog Converter
z
Added a new DAC
z
Updated
z
VREFP renamed VREFA